Keyboard



FIG. 1 is a top perspective view of a keyboard, showing our new design;

FIG. 2 is a front elevational view of the keyboard shown in FIG. 1;

FIG. 3 is a rear elevational view of the keyboard shown in FIG. 1;

FIG. 4 is a left-side elevational view of the keyboard shown in FIG. 1;

FIG. 5 is a right-side elevational view of the keyboard shown in FIG. 1;

FIG. 6 is a top plan view of the keyboard shown in FIG. 1; and,

FIG. 7 is a bottom plan view of the keyboard shown in FIG. 1.

The broken lines shown in the drawings are for the purpose of illustrating portions of the keyboard that form no part of the claimed design. 

CLAIM The ornamental design for a keyboard, as shown and described. 